Summary
Determination of carbamate residues in tobacco samples was carried out by solid-liquid extraction (SLE) and supercritical-fluid extraction (SFE) methods, both developed for this purpose. The clean-up step was carried out on SPE-Florisil cartridges and the extracts analysed by capillary zone electrophoresis (CZE) with UV detection.
The results were compared and SFE using CO2-acetone showed the best results in terms of recovery and generally higher extraction power. SFE in conjunction with CZE proved suitable for carbamate residue analysis in real tobacco samples.
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Lanças, F.M., Rissato, S.R. & Galhiane, M.S. Off-line SFE-CZE analysis of carbamates residues in tobacco samples. Chromatographia 42, 323–328 (1996). https://doi.org/10.1007/BF02290318
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DOI: https://doi.org/10.1007/BF02290318